| 单词 | parity check |
| 释义 | > as lemmasparity check parity check n. Computing a check on the correctness of a set of binary digits that involves ascertaining the parity of a number derived from the set in a predetermined way (cf. parity bit n.). ΘΚΠ society > computing and information technology > data > database > data entry > [noun] > error check summation check1926 checksum1940 parity check1950 Hamming distance1954 redundancy check1955 sum check1956 validity check1957 1950 R. W. Hamming in Bell Syst. Techn. Jrnl. 29 150 The type of check used..will be called a parity check. The above was an even parity check; had we used an odd number of 1's to determine the setting of the check position it would have been an odd parity check. 1969 Information & Control 15 397 A burst of length b can corrupt at most one of the parity checks. 1999 R. Bloch in I. B. Cohen & G. W. Welch Makin' Numbers iii. 200 The parity check as we know it today was actually described for the first time in my weighted count patent as a degenerate form of weight count involving as little as a single binary digit. < as lemmas |
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